[1]HE Liping,LI Guixiang,MENG Guangtao,et al.Study on Soil Fertility of Different Forest Types in Gaoligong Mountains[J].Research of Soil and Water Conservation,2015,22(06):116-121.
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Study on Soil Fertility of Different Forest Types in Gaoligong Mountains
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 06
Page number:
116-121
Column:
Public date:
2015-12-28
- Title:
- Study on Soil Fertility of Different Forest Types in Gaoligong Mountains
- CLC:
- S714
- DOI:
- -
- Abstract:
- Based on analysis of soil pH, the content of organic matter and main nutrients at the different levels of soil under seven different forest types (Subalpine meadow, Subalpine shrub, Hemlock forest, Mid-mountain moist evergreen broad-leaf forest, Monsoon evergreen broad-leaf forest, Tropical ravine rain forest, Dry-hot valley) in Gaoligong Mountains,we investigated the soil fertility of different forest types. The result showed that soil pH in dry-hot valley was alkaline (average of 7.10), the pH in remaining six forest soil types ranged from 4.09 to 5.26, and is acidic. The contents of soil organic matter, total N and P, available N and P tended to decrease with increase of soil depth. Soil organic matter, total nitrogen, total phosphorus and phosphorus contents in the Gaoligong mountain are higher, and soil fertility was better, but different of forest types of soil geochemical characteristics and the same forest types of different levels soil chemical characteristics were different. The soil fertility decreased in the order: Subalpine meadow > Subalpine shrub > Mid-mountain moist evergreen broad-leaf forest > Hemlock forest > Monsoon evergreen broad-leaf forest > Tropical ravine rain > Dry-hot valley.
- References:
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